Home / 13,548.08-20,322.12-4,778.24

Finding the Fourth Proportional to 13,548.08, 20,322.12 and 4,778.24

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Solution

The fourth proportional to 13,548.08, 20,322.12 and 4,778.24 is: 7,167.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.08 : 20,322.12 = 4,778.24 : x
  2. Step 2: Convert to fraction form
    13,548.08/20,322.12 = 4,778.24/x
  3. Step 3: Cross multiply
    13,548.08x = 20,322.12 × 4,778.24
  4. Step 4: Simplify right side
    13,548.08x = 97,103,966.67
  5. Step 5: Solve for x
    x = 97,103,966.67/13,548.08
  6. Step 6: Final answer
    x = 7,167.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.